#include "llvm/Module.h"
#include "llvm/Config/config.h" // Detect libffi
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/System/DynamicLibrary.h"
+#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/System/Mutex.h"
+#include "llvm/Support/Mutex.h"
#include <csignal>
#include <cstdio>
#include <map>
static ManagedStatic<sys::Mutex> FunctionsLock;
-typedef GenericValue (*ExFunc)(const FunctionType *,
+typedef GenericValue (*ExFunc)(FunctionType *,
const std::vector<GenericValue> &);
static ManagedStatic<std::map<const Function *, ExFunc> > ExportedFunctions;
static std::map<std::string, ExFunc> FuncNames;
static Interpreter *TheInterpreter;
-static char getTypeID(const Type *Ty) {
+static char getTypeID(Type *Ty) {
switch (Ty->getTypeID()) {
case Type::VoidTyID: return 'V';
case Type::IntegerTyID:
case Type::FunctionTyID:return 'M';
case Type::StructTyID: return 'T';
case Type::ArrayTyID: return 'A';
- case Type::OpaqueTyID: return 'O';
default: return 'U';
}
}
// Function not found, look it up... start by figuring out what the
// composite function name should be.
std::string ExtName = "lle_";
- const FunctionType *FT = F->getFunctionType();
+ FunctionType *FT = F->getFunctionType();
for (unsigned i = 0, e = FT->getNumContainedTypes(); i != e; ++i)
ExtName += getTypeID(FT->getContainedType(i));
ExtName + "_" + F->getNameStr();
}
#ifdef USE_LIBFFI
-static ffi_type *ffiTypeFor(const Type *Ty) {
+static ffi_type *ffiTypeFor(Type *Ty) {
switch (Ty->getTypeID()) {
case Type::VoidTyID: return &ffi_type_void;
case Type::IntegerTyID:
default: break;
}
// TODO: Support other types such as StructTyID, ArrayTyID, OpaqueTyID, etc.
- llvm_report_error("Type could not be mapped for use with libffi.");
+ report_fatal_error("Type could not be mapped for use with libffi.");
return NULL;
}
-static void *ffiValueFor(const Type *Ty, const GenericValue &AV,
+static void *ffiValueFor(Type *Ty, const GenericValue &AV,
void *ArgDataPtr) {
switch (Ty->getTypeID()) {
case Type::IntegerTyID:
default: break;
}
// TODO: Support other types such as StructTyID, ArrayTyID, OpaqueTyID, etc.
- llvm_report_error("Type value could not be mapped for use with libffi.");
+ report_fatal_error("Type value could not be mapped for use with libffi.");
return NULL;
}
const std::vector<GenericValue> &ArgVals,
const TargetData *TD, GenericValue &Result) {
ffi_cif cif;
- const FunctionType *FTy = F->getFunctionType();
+ FunctionType *FTy = F->getFunctionType();
const unsigned NumArgs = F->arg_size();
// TODO: We don't have type information about the remaining arguments, because
// this information is never passed into ExecutionEngine::runFunction().
if (ArgVals.size() > NumArgs && F->isVarArg()) {
- llvm_report_error("Calling external var arg function '" + F->getName()
+ report_fatal_error("Calling external var arg function '" + F->getName()
+ "' is not supported by the Interpreter.");
}
for (Function::const_arg_iterator A = F->arg_begin(), E = F->arg_end();
A != E; ++A) {
const unsigned ArgNo = A->getArgNo();
- const Type *ArgTy = FTy->getParamType(ArgNo);
+ Type *ArgTy = FTy->getParamType(ArgNo);
args[ArgNo] = ffiTypeFor(ArgTy);
ArgBytes += TD->getTypeStoreSize(ArgTy);
}
for (Function::const_arg_iterator A = F->arg_begin(), E = F->arg_end();
A != E; ++A) {
const unsigned ArgNo = A->getArgNo();
- const Type *ArgTy = FTy->getParamType(ArgNo);
+ Type *ArgTy = FTy->getParamType(ArgNo);
values[ArgNo] = ffiValueFor(ArgTy, ArgVals[ArgNo], ArgDataPtr);
ArgDataPtr += TD->getTypeStoreSize(ArgTy);
}
- const Type *RetTy = FTy->getReturnType();
+ Type *RetTy = FTy->getReturnType();
ffi_type *rtype = ffiTypeFor(RetTy);
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, NumArgs, rtype, &args[0]) == FFI_OK) {
if (RF == RawFunctions->end()) {
RawFn = (RawFunc)(intptr_t)
sys::DynamicLibrary::SearchForAddressOfSymbol(F->getName());
+ if (!RawFn)
+ RawFn = (RawFunc)(intptr_t)getPointerToGlobalIfAvailable(F);
if (RawFn != 0)
RawFunctions->insert(std::make_pair(F, RawFn)); // Cache for later
} else {
if (F->getName() == "__main")
errs() << "Tried to execute an unknown external function: "
- << F->getType()->getDescription() << " __main\n";
+ << *F->getType() << " __main\n";
else
- llvm_report_error("Tried to execute an unknown external function: " +
- F->getType()->getDescription() + " " +F->getName());
+ report_fatal_error("Tried to execute an unknown external function: " +
+ F->getName());
#ifndef USE_LIBFFI
errs() << "Recompiling LLVM with --enable-libffi might help.\n";
#endif
extern "C" { // Don't add C++ manglings to llvm mangling :)
// void atexit(Function*)
-GenericValue lle_X_atexit(const FunctionType *FT,
+GenericValue lle_X_atexit(FunctionType *FT,
const std::vector<GenericValue> &Args) {
assert(Args.size() == 1);
TheInterpreter->addAtExitHandler((Function*)GVTOP(Args[0]));
}
// void exit(int)
-GenericValue lle_X_exit(const FunctionType *FT,
+GenericValue lle_X_exit(FunctionType *FT,
const std::vector<GenericValue> &Args) {
TheInterpreter->exitCalled(Args[0]);
return GenericValue();
}
// void abort(void)
-GenericValue lle_X_abort(const FunctionType *FT,
+GenericValue lle_X_abort(FunctionType *FT,
const std::vector<GenericValue> &Args) {
//FIXME: should we report or raise here?
- //llvm_report_error("Interpreted program raised SIGABRT");
+ //report_fatal_error("Interpreted program raised SIGABRT");
raise (SIGABRT);
return GenericValue();
}
// int sprintf(char *, const char *, ...) - a very rough implementation to make
// output useful.
-GenericValue lle_X_sprintf(const FunctionType *FT,
+GenericValue lle_X_sprintf(FunctionType *FT,
const std::vector<GenericValue> &Args) {
char *OutputBuffer = (char *)GVTOP(Args[0]);
const char *FmtStr = (const char *)GVTOP(Args[1]);
switch (Last) {
case '%':
- strcpy(Buffer, "%"); break;
+ memcpy(Buffer, "%", 2); break;
case 'c':
sprintf(Buffer, FmtBuf, uint32_t(Args[ArgNo++].IntVal.getZExtValue()));
break;
errs() << "<unknown printf code '" << *FmtStr << "'!>";
ArgNo++; break;
}
- strcpy(OutputBuffer, Buffer);
- OutputBuffer += strlen(Buffer);
+ size_t Len = strlen(Buffer);
+ memcpy(OutputBuffer, Buffer, Len + 1);
+ OutputBuffer += Len;
}
break;
}
// int printf(const char *, ...) - a very rough implementation to make output
// useful.
-GenericValue lle_X_printf(const FunctionType *FT,
+GenericValue lle_X_printf(FunctionType *FT,
const std::vector<GenericValue> &Args) {
char Buffer[10000];
std::vector<GenericValue> NewArgs;
}
// int sscanf(const char *format, ...);
-GenericValue lle_X_sscanf(const FunctionType *FT,
+GenericValue lle_X_sscanf(FunctionType *FT,
const std::vector<GenericValue> &args) {
assert(args.size() < 10 && "Only handle up to 10 args to sscanf right now!");
}
// int scanf(const char *format, ...);
-GenericValue lle_X_scanf(const FunctionType *FT,
+GenericValue lle_X_scanf(FunctionType *FT,
const std::vector<GenericValue> &args) {
assert(args.size() < 10 && "Only handle up to 10 args to scanf right now!");
// int fprintf(FILE *, const char *, ...) - a very rough implementation to make
// output useful.
-GenericValue lle_X_fprintf(const FunctionType *FT,
+GenericValue lle_X_fprintf(FunctionType *FT,
const std::vector<GenericValue> &Args) {
assert(Args.size() >= 2);
char Buffer[10000];
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